/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project .
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License , v . 2 . 0 . If a copy of the MPL was not distributed with this
* file , You can obtain one at http : //mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice :
*
* Licensed to the Apache Software Foundation ( ASF ) under one or more
* contributor license agreements . See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership . The ASF licenses this file to you under the Apache
* License , Version 2 . 0 ( the " License " ) ; you may not use this file
* except in compliance with the License . You may obtain a copy of
* the License at http : //www.apache.org/licenses/LICENSE-2.0 .
*/
#pragma once
#include <com/sun/star/uno/Any.hxx>
#include <svx/svxdllapi.h>
#include <svx/svdtypes.hxx>
/*
Stores a bitfield of the layer values that have been set .
*/
class SVXCORE_DLLPUBLIC SdrLayerIDSet final
{
// For now, have up to 256 layers
sal_uInt8 m_aData[32 ];
public :
explicit SdrLayerIDSet(bool bInitVal = false )
{
memset(m_aData, bInitVal ? 0 xFF : 0 x00, sizeof (m_aData));
}
bool operator !=(const SdrLayerIDSet& rCmpSet) const
{
return (memcmp(m_aData, rCmpSet.m_aData, sizeof (m_aData))!=0 );
}
void Set(SdrLayerID a)
{
const sal_Int16 nId = a.get();
if (nId >= 0 && nId < 256 )
m_aData[nId / 8 ] |= 1 << (nId % 8 );
}
void Clear(SdrLayerID a)
{
const sal_Int16 nId = a.get();
if (nId >= 0 && nId < 256 )
m_aData[nId / 8 ] &= ~(1 << (nId % 8 ));
}
void Set(SdrLayerID a, bool b)
{
if (b)
Set(a);
else
Clear(a);
}
bool IsSet(SdrLayerID a) const
{
const sal_Int16 nId = a.get();
return nId >= 0 && nId < 256 && (m_aData[nId / 8 ] & 1 << nId % 8 ) != 0 ;
}
void SetAll()
{
memset(m_aData, 0 xFF, sizeof (m_aData));
}
void ClearAll()
{
memset(m_aData, 0 x00, sizeof (m_aData));
}
bool IsEmpty() const ;
void operator &=(const SdrLayerIDSet& r2ndSet);
// initialize this set with a UNO sequence of sal_Int8 (e.g. as stored in settings.xml)
void PutValue(const css::uno::Any & rAny);
};
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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